What is the thin, whitish skin layer on the top of bones called? 1. periosteum
2. bone marrow
3. hard bone
4. compact bone

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function

Which of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation